insider

Word parts

inside + -er

Pronunciation

• (US) IPA ^(key): /ɪnˈsaɪdɚ/ or /ˈɪnsaɪdɚ/

• Audio (UK)

  (file)

Noun

Singular insider

Plural insiders

1. (countable) An insider is a person who belongs to a group or organization.
   • Antonym: outsider
2. (countable) (law) An insider is person in a position in an organization with special knowledge about it or special influence.

Related words

• inside
• insider trading